Home / 21,168,000.33-31,752,000.49-7,703,078.73

Finding the Fourth Proportional to 21,168,000.33, 31,752,000.49 and 7,703,078.73

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Solution

The fourth proportional to 21,168,000.33, 31,752,000.49 and 7,703,078.73 is: 11,554,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,000.33 : 31,752,000.49 = 7,703,078.73 : x
  2. Step 2: Convert to fraction form
    21,168,000.33/31,752,000.49 = 7,703,078.73/x
  3. Step 3: Cross multiply
    21,168,000.33x = 31,752,000.49 × 7,703,078.73
  4. Step 4: Simplify right side
    21,168,000.33x = 244,588,159,609,468.59
  5. Step 5: Solve for x
    x = 244,588,159,609,468.59/21,168,000.33
  6. Step 6: Final answer
    x = 11,554,618.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.